Company profile · Glaziers
Siteline Windows Limited
Siteline Windows Limited is a 13-year-old private limited company registered in Hailsham, company number 08624704, one of 6 glazing companies in Hailsham. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Siteline Windows Limited over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £1,506 (-0.5%) on the year before, to £327K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £382K against £56K owed within a year: 6.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £327K | £190K | £382K | £56K | 1 |
| 31 Oct 2024 | £328K | £177K | £429K | £101K | 1 |
| 31 Jul 2023 | £293K | £179K | £343K | £51K | 1 |
| 31 Jul 2022 | £228K | £315K | £416K | £188K | 0 |
| 31 Jul 2021 | £105K | £160K | £249K | £146K | 1 |
| 31 Jul 2020 | £91K | £135K | £202K | £113K | 2 |
| 31 Jul 2019 | £115K | £154K | £198K | £85K | 2 |
| 31 Jul 2018 | £57K | £119K | £136K | £79K | 2 |
| 31 Jul 2017 | £55K | £77K | £97K | £43K | 2 |
| 31 Jul 2016 | £31K | £29K | £51K | £22K |
Where Siteline Windows Limited is registered
The registered office is in Hailsham (BN27), in the Wealden local authority area, South East. Show BN27 1DW on a map.
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Shared registered office
219 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Siteline Windows Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 08624704
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 July 2013 (13 years ago)
- Registered office
- 30-34 North Street, Hailsham, BN27 1DW
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 25 July 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Hailsham
Other active glazing companies registered in Hailsham.
- Trade Counter Mate Limited2022
- Trade Counter Mate Swindon Ltd2019
- Watts Windows and Doors Sussex Limited2023
- Hallmark Glazed Extensions Ltd2019
- Kenward Windows Limited2015
All glazing companies in Hailsham · All trades in Hailsham · Glaziers across the UK
Frequently asked questions
When are Siteline Windows Limited's accounts due?
Siteline Windows Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Siteline Windows Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Siteline Windows Limited still trading?
Siteline Windows Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Siteline Windows Limited do?
Siteline Windows Limited is registered under Glazing (SIC 43342).
How old is Siteline Windows Limited?
Siteline Windows Limited was incorporated on 25 July 2013, 13 years ago.
What is the penalty if Siteline Windows Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Siteline Windows Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.